Home / 87,127,390.20-130,691,085.30-36,109,054.20

Finding the Fourth Proportional to 87,127,390.20, 130,691,085.30 and 36,109,054.20

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Solution

The fourth proportional to 87,127,390.20, 130,691,085.30 and 36,109,054.20 is: 54,163,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,127,390.20 : 130,691,085.30 = 36,109,054.20 : x
  2. Step 2: Convert to fraction form
    87,127,390.20/130,691,085.30 = 36,109,054.20/x
  3. Step 3: Cross multiply
    87,127,390.20x = 130,691,085.30 × 36,109,054.20
  4. Step 4: Simplify right side
    87,127,390.20x = 4,719,131,482,554,524
  5. Step 5: Solve for x
    x = 4,719,131,482,554,524/87,127,390.20
  6. Step 6: Final answer
    x = 54,163,581.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.